cycles. Fabricated into a uniform 1-kb crossbar array, the system supports partitioned processing: a volatile-switching denoising region enables real-time noise suppression, activating based on input signal strength without erasure steps, while a non-volatile region performs high-precision classification. This end-to-end solution attains 100% accuracy on 10-class audio signals (500 samples) after 15 training epochs with post-denoising, consuming 1.44 fJ per denoising operation, outperforming non-denoised approaches in convergence speed and robustness. Confusion matrices confirm >90% class-specific accuracy under noise, establishing a pathway for miniaturized, energy-scalable edge hardware.
Wang et al. (Wed,) studied this question.
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